SOLUTION: Please help me solve this word problem: How many liters of water must be added to 20 L of an 85% solution of ammonia to make a solution that is 70% ammonia?
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Question 698525: Please help me solve this word problem: How many liters of water must be added to 20 L of an 85% solution of ammonia to make a solution that is 70% ammonia? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! How many liters of water must be added to 20 L of an 85% solution of ammonia to make a solution that is 70% ammonia?
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let x=amt of water to add
85%*20+0%x=70%(20+x)
17=14+0.7x
0.7x=3
x≈4.29
amt of water to add≈4.29 L
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